my $form =  $posted->body_parameters;
my @k = keys %$form;
my @v = values %$form;
@form_hash{@k} = @v;

# Dumper ( \%form_hash) works, but can't pass this to foreach;
# "Experimental keys on scalar is now forbidden" when trying on 
# foreach my $key (sort(keys(  \%form_hash   ))) below.